78007720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12113}}^1$

素因数の和:12154

約数の個数: 64

約数和(自身を含む): 209329920

約数和(自身を除く): 131322200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 12113, 24226, 48452, 60565, 84791, 96904, 121130, 169582, 242260, 278599, 339164, 423955, 484520, 557198, 678328, 847910, 1114396, 1392995, 1695820, 1950193, 2228792, 2785990, 3391640, 3900386, 5571980, 7800772, 9750965, 11143960, 15601544, 19501930, 39003860, 78007720]

約数ペア:

[(1, 78007720), (2, 39003860), (4, 19501930), (5, 15601544), (7, 11143960), (8, 9750965), (10, 7800772), (14, 5571980), (20, 3900386), (23, 3391640), (28, 2785990), (35, 2228792), (40, 1950193), (46, 1695820), (56, 1392995), (70, 1114396), (92, 847910), (115, 678328), (140, 557198), (161, 484520), (184, 423955), (230, 339164), (280, 278599), (322, 242260), (460, 169582), (644, 121130), (805, 96904), (920, 84791), (1288, 60565), (1610, 48452), (3220, 24226), (6440, 12113)]